from machine import I2C, Pin
#sda:D0,scl:D1
def show(text):
    i2c = I2C(-1, sda=Pin(16), scl=Pin(5), freq=400000)
    from ssd1306 import SSD1306_I2C
    oled = SSD1306_I2C(128, 64, i2c)
    oled.text(text, 0, 0)
    oled.show()
